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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update

using namespace std;
using namespace __gnu_pbds;

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
ordered_set;	

struct splitmix64_hash {
	static uint64_t splitmix64(uint64_t x) {
		// http://xorshift.di.unimi.it/splitmix64.c
		x += 0x9e3779b97f4a7c15;
		x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
		x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
		return x ^ (x >> 31);
	}
 
	size_t operator()(uint64_t x) const {
		static const uint64_t FIXED_RANDOM = std::chrono::steady_clock::now().time_since_epoch().count();
		return splitmix64(x + FIXED_RANDOM);
	}
};
 
template <typename K, typename V, typename Hash = splitmix64_hash>
using hash_map = __gnu_pbds::gp_hash_table<K, V, Hash>;
 
template <typename K, typename Hash = splitmix64_hash>
using hash_set = hash_map<K, __gnu_pbds::null_type, Hash>;

#define FOR(i,a,b) for(int i = (a); i <= (b); ++i)
#define FORD(i,a,b) for(int i = (a); i >= (b); --i)
#define RI(i,n) FOR(i,1,(n))
#define REP(i,n) FOR(i,0,(n)-1)
#define mini(a,b) a=min(a,b)
#define maxi(a,b) a=max(a,b)
#define pb push_back
#define st first
#define nd second
#define sz(w) (int) w.size()
typedef vector<int> vi;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<pii, int> para;
const ll inf = 1e18 + 7;
const ll maxN = 1e6 + 5;
const ll MOD = 504;

ll dp[20][504][256][2];
ll solve(int max_len, int mod504, int mask, bool last5) {
	if (max_len == 0) {
		REP(j, 8) {
			if (mask & (1 << j)) {
				int val = j + 2;
				if (val == 5) {
					if (!last5) return 0;
				} else {
					if (mod504 % val != 0) return 0;
				}
			}
		}
		return 1;
	}
	if (dp[max_len][mod504][mask][last5] != -1) return dp[max_len][mod504][mask][last5];
	ll ans = 0;
	RI(i, 9) {
		int nw_mask = mask;
		if (i != 1) nw_mask |= (1 << (i - 2));
		ans += solve(max_len - 1, (mod504 * 10 + i) % MOD, nw_mask, i == 5);
	}
	dp[max_len][mod504][mask][last5] = ans;
	return ans;
}

bool good(ll val) {
	string s = to_string(val);
	for (auto x: s) {
		int z = (x - '0');
		if (z == 0 || (val % z != 0)) return false;
	}	
	return true;
}

ll getAns(ll val) {
	string s = to_string(val);
	int x = sz(s);
	ll ans = 0;
	RI(i, x - 1) {
		ans += solve(i, 0, 0, false);
		// cout << ans << endl;
	}
	int mask = 0, mod504 = 0;
	REP(j, x) {
		int val = s[j] - '0';
		if (val == 0) break;
		RI(i, val - 1) {
			int nw_mask = mask;
			if (i > 1) nw_mask |= (1 << (i - 2));
			int mod_new = (mod504 * 10 + i) % MOD;
			// cout << mod_new << endl;
			ans += solve(x - (j + 1), mod_new, nw_mask, i == 5);
		}
		mod504 = (mod504 * 10 + val) % MOD;
		if (val > 1) mask |= (1 << (val - 2));
	}
	ans += good(val);
	return ans;
}

// sprawdz MODULO!
int main() {
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	ll l, r; cin >> l >> r;
	int x = to_string(r).size();
	REP(i, x + 1) {
		REP(k, 504) {
			REP(ll, 256) {
				REP(j, 2) {
					dp[i][k][ll][j] = -1;
				}
			}
		}
	}
	cout << getAns(r) - getAns(l - 1) << "\n";	
	return 0;
}